lib/printf-args.h

   1 /* Decomposed printf argument list.
   2    Copyright (C) 1999, 2002-2003, 2006 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License along
  15    with this program; if not, write to the Free Software Foundation,
  16    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  17
  18 #ifndef _PRINTF_ARGS_H
  19 #define _PRINTF_ARGS_H
  20
  21 /* Get size_t.  */
  22 #include <stddef.h>
  23
  24 /* Get wchar_t.  */
  25 #ifdef HAVE_WCHAR_T
  26 # include <stddef.h>
  27 #endif
  28
  29 /* Get wint_t.  */
  30 #ifdef HAVE_WINT_T
  31 # include <wchar.h>
  32 #endif
  33
  34 /* Get va_list.  */
  35 #include <stdarg.h>
  36
  37
  38 /* Argument types */
  39 typedef enum
  40 {
  41   TYPE_NONE,
  42   TYPE_SCHAR,
  43   TYPE_UCHAR,
  44   TYPE_SHORT,
  45   TYPE_USHORT,
  46   TYPE_INT,
  47   TYPE_UINT,
  48   TYPE_LONGINT,
  49   TYPE_ULONGINT,
  50 #ifdef HAVE_LONG_LONG_INT
  51   TYPE_LONGLONGINT,
  52   TYPE_ULONGLONGINT,
  53 #endif
  54   TYPE_DOUBLE,
  55 #ifdef HAVE_LONG_DOUBLE
  56   TYPE_LONGDOUBLE,
  57 #endif
  58   TYPE_CHAR,
  59 #ifdef HAVE_WINT_T
  60   TYPE_WIDE_CHAR,
  61 #endif
  62   TYPE_STRING,
  63 #ifdef HAVE_WCHAR_T
  64   TYPE_WIDE_STRING,
  65 #endif
  66   TYPE_POINTER,
  67   TYPE_COUNT_SCHAR_POINTER,
  68   TYPE_COUNT_SHORT_POINTER,
  69   TYPE_COUNT_INT_POINTER,
  70   TYPE_COUNT_LONGINT_POINTER
  71 #ifdef HAVE_LONG_LONG_INT
  72 , TYPE_COUNT_LONGLONGINT_POINTER
  73 #endif
  74 } arg_type;
  75
  76 /* Polymorphic argument */
  77 typedef struct
  78 {
  79   arg_type type;
  80   union
  81   {
  82     signed char                 a_schar;
  83     unsigned char               a_uchar;
  84     short                       a_short;
  85     unsigned short              a_ushort;
  86     int                         a_int;
  87     unsigned int                a_uint;
  88     long int                    a_longint;
  89     unsigned long int           a_ulongint;
  90 #ifdef HAVE_LONG_LONG_INT
  91     long long int               a_longlongint;
  92     unsigned long long int      a_ulonglongint;
  93 #endif
  94     float                       a_float;
  95     double                      a_double;
  96 #ifdef HAVE_LONG_DOUBLE
  97     long double                 a_longdouble;
  98 #endif
  99     int                         a_char;
 100 #ifdef HAVE_WINT_T
 101     wint_t                      a_wide_char;
 102 #endif
 103     const char*                 a_string;
 104 #ifdef HAVE_WCHAR_T
 105     const wchar_t*              a_wide_string;
 106 #endif
 107     void*                       a_pointer;
 108     signed char *               a_count_schar_pointer;
 109     short *                     a_count_short_pointer;
 110     int *                       a_count_int_pointer;
 111     long int *                  a_count_longint_pointer;
 112 #ifdef HAVE_LONG_LONG_INT
 113     long long int *             a_count_longlongint_pointer;
 114 #endif
 115   }
 116   a;
 117 }
 118 argument;
 119
 120 typedef struct
 121 {
 122   size_t count;
 123   argument *arg;
 124 }
 125 arguments;
 126
 127
 128 /* Fetch the arguments, putting them into a. */
 129 #ifdef STATIC
 130 STATIC
 131 #else
 132 extern
 133 #endif
 134 int printf_fetchargs (va_list args, arguments *a);
 135
 136 #endif /* _PRINTF_ARGS_H */